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path: root/source/slang/slang-emit-metal.cpp
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2025-07-01extend fiddle to allow custom lua splices in more places (#7559)Ellie Hermaszewska
* Add fkYAML submodule * Generate slang-ir-inst-defs.h from slang-ir-inst-defs.yaml * generate ir-inst-defs.h * neaten things * neaten inst def parser * add rapidyaml submodule * remove fkyaml * remove fkyaml submodule * remove use of ir-inst-defs.h * format and warnings * fix wasm build * tidy * remove rapidyaml * Extend fiddle to allow custom splices in more places * Use lua to describe ir insts * fix * neaten * neaten * neaten * spelling * neaten * comment comment out assert * merge
2025-03-13Add mesh shader output topology checks (#6592)Darren Wihandi
* initial wip * more wip * add test * add unexpected for invalid target * fixups and improve error message * fixups and improve error message * remove incorrect comment --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com>
2025-02-28Add Slang-specific intrinsics for integer pack/unpack (#6459)Darren Wihandi
* update hlsl meta * update test * use slang syntax in meta file * improve meta file * fix pack clamp u8 * remove builtin packed types, use typealias instead * fix wgsl pack clamp * fix formatting --------- Co-authored-by: Yong He <yonghe@outlook.com>
2025-02-20Metal fix (#6413)kaizhangNV
Partially fix #6378 * Fix invalid access mode for texture_buffer * Fix texture view create issue in metal In newTextureView, levelRange should represent the mipmap level range, while sliceRange should represent the texture layer range for texture array. But the implement inverse those two wrongly.
2025-01-24Fix depth texture sampling on Metal. (#6168)Yong He
2024-12-26Add packed 8bit builtin types (#5939)Darren Wihandi
* Add packed bytes builtin type * fix test
2024-12-17Implement bitcast for 64-bit date type (#5895)kaizhangNV
Close #5470 * implement bitcast for 64-bit date type * Move 'ensurePrelude' to base class to remove duplication * Assert on 'double' type for Metal target, as Metal doesn't have 'double' support
2024-12-16Support matrix negation in metal backend. (#5891)Yong He
2024-12-06Support specialization constant on WGSL and Metal. (#5780)Yong He
2024-11-05Move switch statement bodies to their own lines (#5493)Ellie Hermaszewska
* Move switch statement bodies to their own lines * format --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-30Write only texture types. (#5454)Yong He
* Add support for write-only textures. * Fix capabilities. * Fix implementation. * Fix. * format code --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
2024-10-29formatEllie Hermaszewska
* format * Minor test fixes * enable checking cpp format in ci
2024-10-17Cleanup atomic intrinsics. (#5324)Yong He
* Cleanup atomic intrinsics. * Fix. * Fix glsl. * Remove hacky intrinsic expansion logic for glsl image atomics. * Fix all tests. * Fix. * Add `InterlockedAddF16Emulated`. * Fix glsl intrinsic. * Fix.
2024-10-09Metal: Texture write fix (#4952)Dynamitos
2024-09-25Fixing bug when writing primitives in metal mesh shaders (#5069)Dynamitos
2024-09-20Initial `Atomic<T>` type implementation. (#5125)Yong He
* Initial Atomic<T> type implementation. * Update design doc. * Fix. * Add test. * Fixes and add tests. * Fix WGSL. * Fix glsl. * Fix metal. * experiemnt with github metal. * experiment github metal 2 * github metal experiment 3 * experiment with github metal 4. * experiment with metal 5. * experiment 7. * metal experiment 8. * Fix metal tests. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2024-09-05Respect matrix layout in uniform and in/out parameters for HLSL target. (#5013)Yong He
* Respect matrix layout in uniform and in/out parameters for HLSL target. * Update test. * Fix test. * fix test. * Fix metal layout calculation. * Fix compile error. * Fix compiler error. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2024-08-28Metal: Mesh Shaders (#4280)Dynamitos
* Metal: mesh shading skeleton * Metal: fixing mesh payload * Metal: improving mesh shader indices output * Metal: Implementing conditional mesh output set * Metal: Trying to not break other backends * Metal: trying to fix mesh output set * Metal: Fixing MeshOutputSet usages * Metal: Fixing vertex and primitive semantics * Metal: Fixing code style * Metal: Fixed hlsl indices set * Fixed HLSL mesh output set disappearing and GLSL mesh output crashing * Metal: Adjusting task test matching --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-08-19Remove using SpvStorageClass values casted into AddressSpace values (#4861)Ellie Hermaszewska
* Remove using SpvStorageClass values casted into AddressSpace values Also removes support for specific storage classes in __target_intrinsic snippets * remove SLANG_RETURN_NEVER macro * squash warnings * Make nonexhaustive switch statement error on gcc * Add SLANG_EXHAUSTIVE_SWITCH_BEGIN/END macros --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-07-25Overhaul IR lowering of pointer types. (#4710)Yong He
* Overhaul IR lowering of pointer types. * Propagate address space in IRBuilder. * Fixup. * Fix. * Fix. * Change how Ptr type is printed to text. * Fix.
2024-06-26Expand upon existing `ImageSubscript` support (Metal, GLSL, SPIRV) (#4408)ArielG-NV
* Add additional `ImageSubscript` features: 1. Added ImageSubscript support for Metal & a test case * Merge GLSL/SPIRV/Metal `ImageSubscript` legalization pass 2. Added multisample support to glsl/spirv/metal for when using ImageSubscript * Added in this PR since the overhaul of the code merges together GLSL/SPIRV/Metal implementation 3. Fixed minor metal texture `Load`/`Read` bugs * [HLSL methods of access do not support subscript accessor for texture cube array](https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/texturecubearray) * removed swizzling of uint/int/float * other odd bugs which were causing compile errors note: Compute tests do not work due to what seems to be the GFX backend (causes crash without error report). The tests are disabled. * disable LOD with texture 1d seems that LOD for 1d textures need to be a compile time constant as per an error metal throws * syntax error in hlsl.meta * static_assert alone with intrinsic_asm error provides cleaner errors Note: `static_assert` seems to be unstable and not be fully respected (still require `intrinsic_asm` to avoid a stdlib compile error) * change comment to `// lod is not supported for 1D texture * add `static_assert` in related code gen paths * address review * address review * add asserts as per review comment, NOTE: unclear if these should be release 'asserts' as well
2024-06-25Support atomic intrinsics for Metal (#4473)Jay Kwak
* Support atomic intrinsics for Metal This commit adds a support for the atomic intrinsics in Metal. The atomic member functions for buffers is not implemented yet. Metal requires the first argument for the atomic functions to be an atomic data type. This implementation rely on the fact that we can do a C-style type casting from a regular data type to an atomic data type.
2024-06-24Implementing `tbuffer` layout(s) (#4436)ArielG-NV
* Implementing `tbuffer` layouts. 1. Add to layout options 'TextureBuffer' layouts. 2. Add on to existing logic a way to allocate appropriate registers for TextureBufferType (this was made to work with parameter block logic). 3. Added asserts so objects missing a layout will gracefully crash This means `tbuffer` now works for hlsl,glsl,metal targets, spirv has yet to implement logic for `TextureBufferType`. * disable metal tests and fix emitting code a bit fixing the emitting code means metal compilation emits a useful error (help point users/developers to #4435) * fix warning
2024-06-13Metal: misc fixes and enable more tests. (#4374)Yong He
* Fix and enable tests for metal. * Fix. * Fix. * Fix tests. * Fix warnings. * Fix. --------- Co-authored-by: Yong He <yonghe@Yongs-Mac-mini.local>
2024-06-11Test more texture types in Metal (#4333)Jay Kwak
This commit adds testing for Metal texture functions with the following six types that the document says supported: - float - half - int32_t - uint32_t - int16_t - uint16_t Co-authored-by: Yong He <yonghe@outlook.com>
2024-06-08Metal system value overhaul. (#4308)Yong He
2024-06-02Metal Task Shader payload (#4238)Dynamitos
2024-05-16RasterizerOrder resource for spirv and metal. (#4175)Yong He
* RasterizerOrder resource for spirv and metal. Also fixes the byte address buffer logic for metal. * Fix. * Delete commented lines. --------- Co-authored-by: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
2024-05-14Implement texture functions for Metal target (#4158)Jay Kwak
* Impl texture APIs for Metal target This commit is to implement texture functions for Metal target. The following functions are implemented and tested. - GetDimensions() - CalculateLevelOfDetail() - CalculateLevelOfDetailUnclamped() - Sample() - SampleBias() - SampleLevel() - SampleCmp() - SampleCmpLevelZero() - Gather() - SampleGrad() - Load() Metal has limited support for the texture functions compared to HLSL. - LOD is not supported for 1D texture, - Depth textures are limited to 2D, 2DArray, Cube and CubeArray textures. - "Offset" variants are limited to 2D, 2DArray, 2D-Depth, 2DArray-Depth and 3D textures. The functions that cannot be implemented for Metal should properly be handled by the capability system later. * Fix the failing test, multi-file.hlsl I am not sure why this change is needed. * Fix compile errors on macOS 2nd try * Remove a typo character to fix the compile error * Trivial clean up * Remove `as_type` where it was intended as static_cast * Use a simpler sytax for __intrinsic_asm * Trivial clean up * Remove TEST_AFTER_FIXING_CAPABILITY_PROBLEM after fixing normalize * Fix the failing test properly * Fix an incorrect setup of Depth-cube texture --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-05-10More Metal Intrinsics. (#4143)Yong He
2024-05-08Metal: propagate and specialize address space. (#4137)Yong He
2024-05-07Support Metal math functions (#4118)Jay Kwak
* Support Metal math functions Closes #4024 Note that Metal document says Metal doesn't support "double" type; "Metal does not support the double, long long, unsigned long long, and long double data types." According to Metal document, math functions are not defined for integer types. That leaves only two types to test: half and float. As a code clean up, __floatCast is replaced with __realCast. But I had to add a new signature that can convert from integer to float. Some of GLSL functions are moved to hlsl.meta.slang. For those functions, there isn't builtin functions for HLSL but there are for GLSL and Metal. "nextafter(T,T)" is currently not working because it requires Metal version 3.1 and we invoke metal compiler with a profile version lower than 3.1. * Changes based on review comments.
2024-05-06Support groupshared variables for Metal. (#4116)Yong He
2024-04-30Metal: Vertex/Fragment builtin and layouts. (#4044)Yong He
* Metal: Vertex/Fragment builtin and layouts. * Fix. * Fix test. * Emit user semantic on vertex/fragment attributes.
2024-04-24Parameter layout and reflection for Metal bindings. (#4022)Yong He
2024-04-24Fix macos CI and clang warnings. (#4019)Yong He
* Fix macos CI. * Fix. * Fix. * Fix. * Fix clang warnings. * Fix more warnings.
2024-04-24Avoid DXC warnings for missing bitwise op parantheses (#4004)Jay Kwak
Resolves #3980 Based on the operator precedence, Slang may omits the parentheses if they are not needed. DXC prints warnings for such cases and some applications may treat the warnings as errors. This commit emits parentheses to avoid the DXC warning even when they are not needed.
2024-04-18Metal: rewrite global variables as explicit context. (#3981)Yong He
* Metal: rewrite global variables as explicit context. * Small tweaks.
2024-04-17Add skeleton for metal backend. (#3971)Yong He
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